Roundup Poison Ivy Plus Tough Brush Killer2 ConcentrateOVERVIEW Roundup Poison Ivy Plus Tough Brush Killer Concentrate is an exclusive formula that kills poison ivy, poison oak, poison sumac, wild blackberry, kudzu, and all types of tough weeds Rainproof in as fast as 30 minutes and produces visible results in hours Allows for planting 1 to 30 days after application (see booklet for details) Use this weed control in residential fields and trails, around trees or shrubs, around homes, buildings, cabins,